CN207087736U - Engine cam locking fixture - Google Patents
Engine cam locking fixture Download PDFInfo
- Publication number
- CN207087736U CN207087736U CN201720904831.0U CN201720904831U CN207087736U CN 207087736 U CN207087736 U CN 207087736U CN 201720904831 U CN201720904831 U CN 201720904831U CN 207087736 U CN207087736 U CN 207087736U
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- China
- Prior art keywords
- main body
- locking fixture
- frock main
- engine cam
- frock
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Abstract
The utility model discloses a kind of engine cam locking fixture, including frock main body, it is arranged at the lock part for preventing cam axle in the frock main body, and the alignment pin being connected with the frock main body, the alignment pin are used for the spark-plug hole that engine is stretched into lock cam axle.The utility model can prevent frock saltus step, so as to reduce lock part deformation and abrasion, increase the service life of locking fixture, that improves camshaft sprocket bolt tightens quality.
Description
Technical field
It the utility model is related to engine assembly field, more particularly to a kind of engine cam locking fixture.
Background technology
At present, domestic and international engine is required for using frock locking camshaft when tightening camshaft sprocket bolt, prevents convex
Wheel shaft rotates and influences the moment of torsion that chain wheel bolt is tightened.Existing locking camshaft frock includes limiting the spacing of cam axle
Block, caused reaction force is acted directly on limited block in rundown process, and this structure has following technical problem：(1) limit
Position block is yielding, and frock is integrally easy to wear, influences service life；(2) because the big frock of bolt torque reaction force is being twisted when tightening
Easily beated during tight, cause screw-down torque relatively low；(3) frock is not easy to remove after the completion of camshaft sprocket bolt is tightened；(4)
Fixture Design is complicated, and spare part needs integral replacing, and cost is higher.
Utility model content
Main purpose of the present utility model is to provide a kind of engine cam locking fixture, it is intended to solves camshaft sprocket
Bolt rundown process convexity wheel shaft locking fixture occur saltus step, it is yielding the problem of.
To achieve the above object, the utility model proposes engine cam locking fixture include frock main body, set
In the lock part for being used to prevent cam axle in the frock main body, and the alignment pin being connected with the frock main body, institute
State the spark-plug hole that alignment pin is used to stretch into engine in lock cam axle.
Preferably, connected between the alignment pin and the frock main body by contiguous block, the alignment pin is away from institute
The direction for stating frock main body extends downwardly.
Preferably, the recessed stopper slot in contiguous block upper surface, the frock main body are sticked in the stopper slot and led to
Cross fastener locking.
Preferably, the engine cam locking fixture includes two alignment pins, and two alignment pins are divided into institute
The both ends of contiguous block are stated, the stopper slot is located at the middle part of the contiguous block.
Preferably, two alignment pins are be arranged in parallel, and the plane of axis formation of two alignment pins and the bottom of stopper slot are put down
Face is vertical.
Preferably, the lock part includes holder, handle and the fixed block for connecting the holder and the handle,
The fixed block is connected with frock main body, and the holder extends downwardly in the direction away from the handle.
Preferably, the fixed block is provided with through hole, and the frock main body includes the support bar through the through hole, institute
Support bar is stated with the fixed block by axial locking of the fastener along the support bar, the support bar with the handle to pass through
Radial direction locking of the fastener along the support bar.
Preferably, the fixed block is integrally formed with the holder, the support bar that the frock main body is formed in one.
Preferably, the holder includes the U-shaped holding tank being adapted to the turret head of the camshaft.
Preferably, the engine cam locking fixture includes two groups of lock parts that are contour, being oppositely arranged, described two groups
Lock portion is located at the both ends of the frock main body, and the alignment pin is located at the middle part of the frock main body.
In technical solutions of the utility model, lock part and alignment pin are connected with frock main body.Tighten camshaft sprocket spiral shell
During bolt, lock part coordinates with camshaft so that cam shaft locking is prevented into cam axle；Alignment pin stretches into the fire of engine
In flower consent, positioning action is both played, to the reaction force of locking fixture when and can overcomes the camshaft sprocket bolt to tighten, prevent
Frock saltus step, so as to reduce lock part deformation and abrasion, increase the service life of locking fixture, improve camshaft sprocket bolt
Tighten quality.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the three-dimensional shaft side schematic diagram of the embodiment of the utility model engine cam locking fixture one；
Fig. 2 is the schematic front view of the embodiment of the utility model engine cam locking fixture one；
Fig. 3 is the left view schematic diagram of the embodiment of the utility model engine cam locking fixture one；
Fig. 4 is the schematic top plan view of the embodiment of the utility model engine cam locking fixture one；
Fig. 5 is the structural representation of the contiguous block of the embodiment of the utility model engine cam locking fixture one；
Fig. 6 is Fig. 5 schematic top plan view；
Fig. 7 is the structural representation of the lock part of the embodiment of the utility model engine cam locking fixture one；
Fig. 8 is the structural representation of the frock main body of the embodiment of the utility model engine cam locking fixture one；
Fig. 9 is Fig. 8 schematic top plan view.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | Frock main body | 2 | Lock part |
| 3 | Alignment pin | 4 | Contiguous block |
| 21 | Holder | 22 | Handle |
| 23 | Fixed block | 40 | Stopper slot |
| 230 | Through hole |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, and it can not be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for describing purpose
Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " more in description of the present utility model
It is individual " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can mechanically connect, also may be used
Be electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals
Or the interaction relationship of two elements, limited unless otherwise clear and definite.For the ordinary skill in the art, can be with
Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.
In addition, the technical scheme between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of this technical scheme is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of engine cam locking fixture.
Fig. 1 to Fig. 4 is refer to, in the embodiment of the utility model one, the engine cam locking fixture includes frock
Main body 1, it is arranged in frock main body 1 for the lock part 2 for preventing cam axle, and the positioning being connected with frock main body 1
Pin 3, alignment pin 3 are used for the spark-plug hole that engine is stretched into lock cam axle.
When tightening camshaft sprocket bolt, the engine cam locking fixture is used for lock cam axle, prevents camshaft
Rotate, so as to cause camshaft sprocket bolt to tighten loosening, cause bolt to tighten quality failures.Lock part 2 and alignment pin 3 with
Frock main body 1 connects, and when engine reaches default station, starts to tighten the operation of camshaft sprocket bolt, lock part 2 with it is convex
Wheel shaft coordinates so that cam shaft locking is prevented into cam axle；Alignment pin 3 is stretched into the spark-plug hole of engine, is both played
To the reaction force of locking fixture when positioning action, and can overcome the camshaft sprocket bolt to tighten, frock saltus step is prevented, so as to subtract
Few lock part deformation and abrasion, increase the service life of locking fixture, that improves camshaft sprocket bolt tightens quality.With tradition
Locking fixture compare, service life can be promoted to 6 months by 1 month, greatly save frock cost.In addition, the engine is convex
Wheel shaft locking fixture is easily installed, and will not be stuck in bolt rundown process, and operating personnel easily take, and operation is flexible.
As an alternative embodiment of the present utility model, connected between alignment pin 3 and frock main body 1 by contiguous block 4,
Alignment pin 3 extends downwardly in the direction away from frock main body 1.During installation, first alignment pin 3 is fixedly installed on contiguous block 4, then
Contiguous block 4 is fixedly installed in frock main body 1.This structure causes alignment pin 3 to have bigger locational space, can avoid alignment pin
Interference between 3 and frock main body 1, between alignment pin 3 and engine, meet matching somebody with somebody for alignment pin 3 and the spark-plug hole of engine
Close and require.
In the present embodiment, the recessed stopper slot 40 in the upper surface of contiguous block 4, frock main body 1 is sticked in stopper slot 40 and passed through
Fastener is locked.When tightening camshaft sprocket bolt, a reaction force is applied to locking fixture, causes locking fixture to exist
The trend of saltus step, now, stopper slot 40 can prevent the relative rotation between contiguous block 4 and frock main body 1, decompose lateral shear
Power, so as to ensure the positioning of alignment pin 3.Specifically, bearing of trend of the stopper slot 40 along frock main body 1 is set, and frock main body 1 is blocked
Together in stopper slot 40, lock part 2 is away from this stopper slot 40 so that the junction of contiguous block 4 and frock main body 1 and lock part 2
It will not interfere.
Referring to Fig. 5 and Fig. 6, the engine cam locking fixture includes two alignment pins 3, and two alignment pins 3 are divided into
The both ends of contiguous block 4, stopper slot 40 are located at the middle part of contiguous block 4.When tightening camshaft sprocket bolt, locking fixture is applied
One reaction force, causes locking fixture the trend of saltus step to be present, and now, two alignment pins 3 can preferably realize positioning, ensures
The stability of locking fixture.Preferably, two alignment pins 3 are symmetrical arranged on stopper slot 40, two uniform stresseds of alignment pin 3,
The stability of locking fixture can be better achieved.
Preferably, two alignment pins 3 are be arranged in parallel, and the plane of the axis formation of two alignment pins 3 and the bottom of stopper slot 40 are put down
Face is vertical, and this structure both can avoid locking fixture that the too fast phenomenon of concentrated wear occurs because of unbalance stress when in use, again may be used
Avoid each parts of locking fixture installation and using when interfere phenomenon.In the present embodiment, contiguous block 4 is the knot of strip
Structure, downward bending part is equipped with the both ends of strip, two alignment pins 3 are divided into two bending parts, and stopper slot 40 is along connection
The width insertion of block 4 is set, and positioned at the centre of contiguous block 4.Width of the frock main body 1 along contiguous block 4 is installed on
In stopper slot 40, length direction arrangement of two alignment pins 3 along contiguous block 4.
Referring to Fig. 7, lock part 2 includes holder 21, handle 22 and the fixed block 23 of connection holder 21 and handle 22,
Fixed block 23 is connected with frock main body 1, and holder 21 extends downwardly in the direction away from handle 22.In the present embodiment, holder
The 21 U-shaped holding tanks including being adapted to the turret head of camshaft.During installation, operating personnel hold handle 22, drive locking fixture
Close to engine, the U-shaped holding tank of holder 21 clamps the turret head of camshaft.Without unnecessary auxiliary during locking fixture use
Fastening and location action are helped, need to only place and just can be used, the operating time is short.
Further, fixed block 23 is provided with through hole 230, and frock main body 1 includes the support bar through through hole 230, branch
Strut and fixed block 23 are by axial locking of the fastener along support bar, and support bar and handle 22 are by fastener along support bar
Radially lock.In the present embodiment, fixed block 23 is sheathed on support bar, and support bar opens up mounting hole vertically；Handle 22 is installed
Above fixed block 23, fixed block 23 is provided with chute, and chute has guide rail.During installation, first by the through hole 230 of fixed block 23
It is set on the support bar of frock main body 1, then the screw by being adapted to mounting hole and the stop nut that is adapted to screw will be solid
Determine the backstop of block 23；Finally, handle 22 is slidedly arranged on fixed block 23 along chute, then be fixed on handle 22 by holding screw
Determine the top of block 23, this holding screw is through radially extending to support bar after handle 22, fixed block 23, until being closely against frock master
On body 1, so as to complete the positioning of lock part 2 and frock main body 1, locking.
In the present embodiment, the support bar that is formed in one referring to Fig. 8 and Fig. 9, this frock main body 1, fixed block 23 and clamping
Part 21 is integrally formed.Preferably, the surface hardening of fixed block 23, size are widened thickening, hardness increase, abrasion resistance increase, used
Life-span increases.This fixed block 23 is detachably arranged in frock main body 1, in use, can according to different cam shaft sizes, if
It is sized the fixed block 23 and holder 21 of adaptation so that the better adaptability of locking fixture.
As a preferred embodiment of the present utility model, Fig. 1 is referred to again, and engine cam locking fixture includes two
The lock part 2 that group is contour, is oppositely arranged, two groups of lock parts 2 are divided into the both ends of frock main body 1, and alignment pin 3 is located at frock main body
1 middle part.One locking fixture can lock two contour camshafts simultaneously, and operation is more convenient, improve operating efficiency.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure transformation under design of the present utility model, made using the utility model specification and accompanying drawing content, or
Directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of engine cam locking fixture, it is characterised in that including frock main body, be arranged in the frock main body and use
In the lock part for preventing cam axle, and the alignment pin being connected with the frock main body, the alignment pin are used to lock
The spark-plug hole of engine is stretched into during camshaft.
2. engine cam locking fixture as claimed in claim 1, it is characterised in that the alignment pin and the frock master
Connected between body by contiguous block, the alignment pin extends downwardly in the direction away from the frock main body.
3. engine cam locking fixture as claimed in claim 2, it is characterised in that the recessed limit in contiguous block upper surface
Position groove, the frock main body are sticked in the stopper slot and locked by fastener.
4. engine cam locking fixture as claimed in claim 3, it is characterised in that the engine cam shaft locking work
Dress includes two alignment pins, and two alignment pins are divided into the both ends of the contiguous block, and the stopper slot is located at the connection
The middle part of block.
5. engine cam locking fixture as claimed in claim 4, it is characterised in that two alignment pins be arranged in parallel,
The plane that the axis of two alignment pins is formed is vertical with the baseplane of stopper slot.
6. the engine cam locking fixture as described in any one in claim 1 to 5, it is characterised in that the locking
Portion includes holder, handle and the fixed block for connecting the holder and the handle, and the fixed block connects with frock main body
Connect, the holder extends downwardly in the direction away from the handle.
7. engine cam locking fixture as claimed in claim 6, it is characterised in that the fixed block is provided with through hole,
The frock main body includes the support bar through the through hole, and the support bar passes through described in fastener edge with the fixed block
The axial locking of support bar, the support bar are locked with the handle by radial direction of the fastener along the support bar.
8. engine cam locking fixture as claimed in claim 7, it is characterised in that the frock main body is formed in one
Support bar, the fixed block is integrally formed with the holder.
9. engine cam locking fixture as claimed in claim 6, it is characterised in that the holder include with it is described convex
The U-shaped holding tank of the turret head adaptation of wheel shaft.
10. the engine cam locking fixture as described in any one in claim 1 to 5, it is characterised in that described to start
Machine camshaft locking fixture includes two groups of lock parts that are contour, being oppositely arranged, and two groups of lock portions are located at the frock master
The both ends of body, the alignment pin are located at the middle part of the frock main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720904831.0U CN207087736U (en) | 2017-07-24 | 2017-07-24 | Engine cam locking fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720904831.0U CN207087736U (en) | 2017-07-24 | 2017-07-24 | Engine cam locking fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207087736U true CN207087736U (en) | 2018-03-13 |
Family
ID=61545968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720904831.0U Active CN207087736U (en) | 2017-07-24 | 2017-07-24 | Engine cam locking fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207087736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807781A (en) * | 2019-03-05 | 2019-05-28 | 柳州五菱柳机动力有限公司 | A kind of locking fixture of engine cam and the camshaft |
-
2017
- 2017-07-24 CN CN201720904831.0U patent/CN207087736U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807781A (en) * | 2019-03-05 | 2019-05-28 | 柳州五菱柳机动力有限公司 | A kind of locking fixture of engine cam and the camshaft |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |